Results 41 to 50 of about 531,568 (306)

Zczvt Inverters With Magnetically Coupled Auxiliary Pole

open access: yesEletrônica de Potência, 2010
Existing Zero-Current Transition and Zero- Current Zero-Voltage Transition inverters provides favorable switching conditions for IGBT semiconductors increasing significantly the reactive energy of the converter.
Mário Lúcio da Silva Martins   +4 more
doaj   +1 more source

Zero-voltage transition–zero-current transition pulsewidth modulation DC–DC buck converter with zero-voltage switching–zero-current switching auxiliary circuit

open access: yesIET Power Electronics, 2012
In this study, a new zero-voltage transition (ZVT)-zero-current transition (ZCT) quasi-resonant buck converter, which ensures zero crossings at any time required for soft switching (SS) and provides ZVT turn-on and ZCT turn-off together for the main switch of active snubber cell in buck converter is presented.
openaire   +2 more sources

Accurate Measurement of Dynamic on-State Resistances of GaN Devices under Reverse and Forward Conduction in High Frequency Power Converter [PDF]

open access: yes, 2020
Because of trapped charges in GaN transistor structure, device dynamic ON-state resistance RDSon is increased when it is operated in high frequency switched power converters, in which device is possibly operated by zero voltage switching (ZVS) to reduce ...
Evans, Paul   +4 more
core   +4 more sources

Dual‐Mode Film Based on Highly Scattering Nanofibers and Upcycled Chips‐Bags for Year‐Round Thermal Management

open access: yesAdvanced Functional Materials, EarlyView.
Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song   +4 more
wiley   +1 more source

Design of a Bidirectional CL3C Full-Bridge Resonant Converter for Battery Energy Storage Systems

open access: yesEnergies, 2022
In this study, a bidirectional CL3C full-bridge resonant converter was developed using a bidirectional active bridge converter as the main framework to improve conventional LLC resonant converters.
Yih-Her Yan   +2 more
doaj   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

Analysis and Implementation of an Interleaved High Step‐Up Converter With Zero‐Voltage‐Switching

open access: yesIET Power Electronics
In this paper, a high step‐up DC‐DC converter is presented. The input current ripple is reduced by adding the interleaving technique on the input side.
Marzieh Mohammadi Jouzdani   +3 more
doaj   +1 more source

Resonance based zero‐voltage zero‐current switching full bridge converter

open access: yesIET Power Electronics, 2014
A zero‐voltage and zero‐current switching full bridge converter with series resonance tank is presented in this study. This converter is based on standard full bridge topology and a series capacitor is added in the primary side to reset the leakage inductance current without any additional auxiliary circuit.
Rouhollah Karimi   +2 more
openaire   +1 more source

Electro-Mechanical Simulation of Switching Characteristics for Nanoelectromechanical Memory

open access: yes, 2009
The static switching properties and readout characteristics of proposed high-speed and nonvolatile nanoelectromechanical (NEM) memory devices are investigated By conducting a three-dimensional finite element mechanical simulation combined with an ...
Arai, T   +6 more
core   +1 more source

Quantum Emitters in Hexagonal Boron Nitride: Principles, Engineering and Applications

open access: yesAdvanced Functional Materials, EarlyView.
Quantum emitters in hexagonal boron nitride have emerged as a promising candidate for quantum information science. This review examines the fundamentals of these quantum emitters, including their level structures, defect engineering, and their possible chemical structures.
Thi Ngoc Anh Mai   +8 more
wiley   +1 more source

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